<template>
	<div class="spike">
		<!-- 顶部区域 -->
		<header class="spike-top">
			<!-- 左边区域 -->
			<div class="top-left">
				<!-- 镂空的区域 -->
				<div class="top-left-swiper swiper">
					<ol class="swiper-wrapper">
						<li  class="swiper-slide" v-for="item in spikeList" :key="item.id">
							<nav class="title-time">
								<strong>限时特惠</strong>
								<!-- 由v-html解析的标签是不能直接加载表层选择器；将相关的选择器做成穿透/深度加载 -->
								<label v-html="filterTimes(item.times)"></label>
							</nav>
							<div class="contain">
								<article>
									<h4>仅限{{item.num}}个</h4>
									<img :src="item.imgURL">
									<p>{{item.city}}</p>
								</article>
								<aside>
									<h3>{{item.title}}</h3>
									<p>
										￥<strong>{{item.price}}</strong>起<em>{{item.oldprice}}</em>
									</p>
								</aside>
							</div>
						</li>
					</ol>
				</div>
			</div>
			<!-- 右边区域 -->
			<div class="top-right">
				<article>
					<h3>
						新品推荐
						<i class="iconfont">&#xe634;</i>
					</h3>
					<aside>
						<h4>{{newsList.title}}</h4>
						<p>
							￥<strong>{{newsList.price}}</strong>起
						</p>
					</aside>	
				</article>
				<article>
					<h3>
						爆品线路
						<i class="iconfont">&#xe634;</i>
					</h3>
					<aside>
						<h4>{{hotList.title}}</h4>
						<p>
							￥<strong>{{hotList.price}}</strong>起
						</p>
					</aside>	
				</article>
			</div>
		</header>
		<!-- 底部区域 -->
		<ul class="spike-bottom">
			<li>
				<router-link to="/">
					<h3>宝藏小城</h3>
					<p>挖掘小城魅力</p>
				</router-link>
			</li>
			<li>
				<router-link to="/">
					<h3>秋色播报</h3>
					<p>赏秋好去处</p>
				</router-link>
			</li>
			<li>
				<router-link to="/">
					<h3>侠魅榜</h3>
					<p>每月最佳游记</p>
				</router-link>
			</li>
		</ul>
	</div>
</template>

<script>
	//1.引入vue周期函数
	import {
		onMounted
	} from 'vue';
	//2.引入Swiper的动态组件
	import Swiper, {
		Autoplay,
		EffectCoverflow,
		EffectCube,
		Pagination,
	} from 'swiper';
	
	//3.说明swiper组件应用配置
	Swiper.use([Autoplay, EffectCoverflow, EffectCube, Pagination]);
	export default{
		name:'Spike',
		props:{
			propspike:{
				type:Object,
				default:function(){
					return{}
				}
			}
		},
		data(){
			return{
				spikeList : [],
				newsList : {},
				hotList : {}
			}
		},
		watch:{
			propspike(){
				
				this.spikeList=this.propspike.spike_menusList
				this.newsList=this.propspike.spike_newsList
				this.hotList=this.propspike.spike_hotList
				// console.log(this.hotList);
						
			}
		},
		computed:{
			filterTimes(){
				return(x)=>{
					// 当前系统时间戳
					let now =new Date().getTime();
					// 计算两个时间戳的差值
					let setupTime=x-now
					// 计算提取天数+小时+分钟+秒数
					let dnum=Math.floor(setupTime/(24*60*60*1000))
					let hnum=Math.floor(setupTime/(60*60*1000)%24)
					let mnum=Math.floor(setupTime/(60*1000)%60)
					let snum=Math.floor(setupTime/1000%60)
					if(setupTime<=0){
						return `0天<i>0</i>:<i>0</i>:<i>0</i>`
					}
					if(hnum<=9){
						hnum='0'+hnum
					}
					if(mnum<=9){
						mnum='0'+mnum
					}
					if(snum<=9){
						snum='0'+snum
					}
					return `${dnum}天<i>${hnum}</i>:<i>${mnum}</i>:<i>${snum}</i>`
				}
			}
		},
		updated(){
			new Swiper('.top-left-swiper', {
				loop:true
			})
		}
	}
</script>

<style scoped>
	a{
		text-decoration: none;
		color: black;
	}
	.spike{
		width: 95%;
		margin: 0.5rem auto;
		height: 7.6rem;
	}
	/* 顶部 */
	.spike-top{
		height: 65%;
		width: 100%;
		display: flex;
		justify-content: space-between;
	}
	/* 顶部的左边 */
	.spike-top .top-left{
		width: 50%;
		height: 100%;
		background-image: url(../../../../public/spikeimg/1.png);
		background-repeat: no-repeat;
		/* 背景图片尺寸 */
		background-size: 100% 100%;
		
	}
	/* 滑动区域样式 */
	.top-left .top-left-swiper{
		width: 90%;
		height: 100%;
		margin: 0 auto;
	}
	.top-left .top-left-swiper ol{
		height: 100%;
		display: flex;
		align-items: center;
		justify-content: space-between;
	}
	.top-left .top-left-swiper ol li{
		height: 100%;
		width: 100%;
	}
	.top-left-swiper ol .title-time{
		line-height: 0.8rem;
		color: white;
		font-size: 0.4rem;
		display: flex;
	}
	/* 图片区域 */
	.top-left-swiper .contain{
		height: 4rem;
		width: 100%;
		border-radius: 0.2rem;
	}
	.top-left-swiper .contain article{
		position: relative;
		height: 60%;
	}
	.top-left-swiper .contain article img{
		width: 100%;
		height: 100%;
		border-radius: 0.2rem 0.2rem 0 0;
	}
	.top-left-swiper .contain article h4{
		position: absolute;
		left: 0;
		top: 0;
		background-image: linear-gradient(#ffe414,#e6c81a);
		padding: 0.1rem 0.15rem;
		border-radius: 0.2rem 0 0.2rem 0;
	}
	.top-left-swiper .contain article p{
		position: absolute;
		left: 0;
		top: 70%;
		background-color: rgba(0,0,0,0.6 );
		color: white;
		padding: 0.1rem .25rem;
		border-radius: 0 0.15rem 0.15rem 0;
	}
	.contain aside{
		height: 36%;
		background-color: white;
		border-radius:0 0 0.2rem 0.2rem;
		padding: 0.1rem;
	}
	.contain aside h3{
		font-size: 0.35rem;
		font-weight: bold;
		height: 1rem;
		line-height: 0.5rem;
		/* 一行文字省略号 :省略号+溢出隐藏+禁止换行（超出宽度溢出隐藏且用省略号代替）*/
		/* 多行文字做省略号：最后一行文字超过高度，溢出隐藏且用省略号代替 */
		overflow: hidden;
		display: -webkit-box;
		-webkit-line-clamp: 2;/*与高度有关*/
		/* 超出盒子外的文本用省略号代替 */
		-webkit-box-orient: vertical;
	}
	.contain aside p{
		font-size: 0.3rem;
		line-height: 0.5rem;
		font-weight: bold;
		color: #ff9847;
	}
	.contain aside p em{
		color: lightslategrey;
		font-size: 0.2rem;
		text-decoration: line-through;
		padding-left: 0.2rem;
	}
	.title-time strong{
		font-weight: bold;
		width: 40%;
	}
	.title-time label{
		text-align: right;
		flex: 1;
		font-size: 0.25rem;
	}
	.title-time label:deep(i){
		display: inline-block;
		width: 0.4rem;
		color: #ff5353;
		text-align: center;
		height: 0.4rem;
		line-height: 0.4rem;
		margin: 0 0.08rem;
		border-radius: 0.2rem;
		background-color: white;
	}
	/* 顶部的右边 */
	.spike-top .top-right{
		width: 50%;
		height: 100%;
		background-image: url(../../../../public/spikeimg/2.png);
		background-repeat: no-repeat;
		/* 背景图片尺寸 */
		background-size: 100% 100%;
	}
	.top-right article{
		width: 90%;
		height: 49%;
		margin: 0 auto;
	}
	.top-right article h3{
		color: white;
		line-height: 0.8rem;
		font-size: 0.4rem;
		font-weight: bold;
	}
	.top-right article aside{
		width: 100%;
		background-color: white;
		border-radius: 0.2rem;
		text-indent: 1em;
	}
	.top-right article aside h4{
		font-size: 0.4rem;
		font-weight: bold;
		line-height: 0.8rem;
	}
	.top-right article aside p{
		line-height: 0.5rem;
		color: #ea9a72;
		font-size: 0.3rem;
	}
	.top-right article aside p strong{
		font-size: 0.4rem;
		font-weight: bold;
	}
	.top-right article:first-child{
		border-bottom: 0.03rem solid white;
	}
	/* 底部 */
	.spike-bottom{
		height: 30%;
		width: 100%;
		margin-top:0.3rem ;
		display: flex;
		align-items: center;
		justify-content: space-between;
	}
	.spike-bottom li{
		width: 32%;
		height: 100%;
		overflow: hidden;
		background-size: 100% 100%;
	}
	.spike-bottom li h3{
		line-height: 0.8rem;
		font-size: 0.35rem;
		font-weight: bold;
		text-indent: 1em;
	}
	.spike-bottom li p{
		font-size: 0.25rem;
		text-indent: 1em;
		color: gray;
	}
	.spike-bottom li:first-child{
		background-image: url(../../../../public/spikeimg/3.jpg);
		border-radius: 0.3rem 0 0 0.3rem;
	}
	.spike-bottom li:nth-child(2){
		background-image: url(../../../../public/spikeimg/4.png);
	}
	.spike-bottom li:last-child{
		background-image: url(../../../../public/spikeimg/5.png);
		border-radius: 0 0.3rem 0.3rem 0;
	}
</style>
